Antigravity YTX20 – Extreme Power Series (XPS) Lithium Battery
Upgrade your power system with the Antigravity YTX20 Extreme Power Series Lithium-Ion Battery, the ultimate high-performance replacement for traditional lead-acid and AGM batteries Engineered for motorcycles and powersports vehicles, this lightweight powerhouse delivers unmatched cranking performance in an incredibly compact design.
Weighing just 4.68 lbs, the Antigravity YTX20 lithium battery provides over 2.5× the cranking power of OEM lead-acid batteries—making hard-starting big V-Twins, high-compression engines, and performance builds turn over with ease. Whether you ride a Harley-Davidson, Victory, metric cruiser, UTV/ATV, snowmobile, or run a race-ready setup, this battery provides the instant torque and rapid start-up you need.
Built for extreme applications, the YTX20 packs an incredible 780 cranking amps, allowing it to fire anything from a 145 cu. in. S&S V-Twin to an 800-horsepower Roush Racing V8—all while weighing less than 5 pounds. It’s the perfect solution for riders and racers seeking massive weight reduction, improved reliability, and superior power delivery. Add optional Automotive Terminal Adapters for seamless integration into performance automotive builds.
For optimal performance and longevity, pair the YTX20 with an Antigravity Super-Charger battery charger.
Product Specs
- YTX20 case size
- 6.875 x 3.44 x 6.125 inches (LxWxH)
- 780 Cranking Amps
- 32 Amp Hours (Pb Eq)/ 16Ah (Actual)/ 204.8Wh
- 4.68 lbs



